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Zina [86]
3 years ago
5

Please helpppp meee 20 pts Identify the arrows that show the correct direction of heat transfer.

Physics
2 answers:
kupik [55]3 years ago
7 0
Heat transfers in weird ways but it is complex i have no clue what i jus wrote but thanks fir the points luv
Finger [1]3 years ago
3 0

Answer:

The arrow pointing up from the hand and the arrow pointing diagnoly from the cup

Explanation:

That is what I THINK lmk if I'm right

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A cheerleader lifts his 59.6 kg partner straight up off the ground a distance of 0.749 m before
Airida [17]

m = mass of the partner which the cheerleader lifts = 59.6 kg

h = height to which the partner is lifted by the cheerleader = 0.749 m

g = acceleration due to gravity = 9.8 m/s²

work done by the cheerleader in lifting the partner is same as the potential energy gained by the partner.

W = work done by the cheerleader in lifting the partner

PE = potential energy gained

so  W = PE

potential energy is given as

PE = mgh

hence

W = mgh

inserting the values in the above formula

W = 59.6 x 9.8 x 0.749

W = 437.5 J

this is the work done in lifting the partner once.

the cheerleader does this 30 times , hence the total work done is given as

W' = 30 W

W' = 30 x 437.5

W' = 13125 J


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4 years ago
Help I'll mark brainliest
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Animal 1 because it takes 3s to go 25 meters 3.5s to go 50 meters and 5s to go 75 meters while the others take longer.

Explanation:

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3 years ago
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How do you determine the wattage capacity needed by a power supply?
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3 years ago
A 1.55-kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a 13.3-n hori
yarga [219]
<span>To answer this problem, we use balancing of forces: x and y components to determine the tension of the rope.


First, the vertical component of tension (Tsin theta) is equal to the weight of the object. 
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Second, the horizontal component of tension (t cos theta) is equal to the force of the wind. 
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T then is equal to 20.20 N
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3 years ago
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